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reset

“As a precautionary security measure, we have reset passwords and revoked session tokens for these accounts. If your account was one of them, you will have recently received (or will shortly) an email from us at the address associated with your Twitter account notifying you that you will need to create a new password. Your old password will not work when you try to log in to Twitter.”

The attack, which Bob Lord, the company’s director of information security, called “sophisticated” and “not the work of amateurs,” comes at the end of a tumultuous week for high-profile American media websites.